Home / 53,391.10-80,067.80-23,419.90

Finding the Fourth Proportional to 53,391.10, 80,067.80 and 23,419.90

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Solution

The fourth proportional to 53,391.10, 80,067.80 and 23,419.90 is: 35,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.10 : 80,067.80 = 23,419.90 : x
  2. Step 2: Convert to fraction form
    53,391.10/80,067.80 = 23,419.90/x
  3. Step 3: Cross multiply
    53,391.10x = 80,067.80 × 23,419.90
  4. Step 4: Simplify right side
    53,391.10x = 1,875,179,468.88
  5. Step 5: Solve for x
    x = 1,875,179,468.88/53,391.10
  6. Step 6: Final answer
    x = 35,121.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.